Savannah Chrisley isn't eating rabbit food. The 23-year-old "Chrisley Knows Best" star gave a giant shout-out to Southern traditions on Saturday night, feeding her teeny-tiny waist with a giant homemade banana pudding. Savannah, who fronts weight-loss brand South Beach Diet and recently joked about fearing weighing 270 pounds, updated her Instagram stories last night with a peek at her home baking. The SASSY by Savannah cosmetics founder, already showing her gooey coffee cake and Monkey Bread this fall, was proving she's a natural. Check it out below.